



"""simple docstring"""






from __future__ import annotations

snake_case   					=				'''Muhammad Umer Farooq'''
snake_case   					=				'''MIT'''
snake_case   					=				'''1.0.0'''
snake_case   					=				'''Muhammad Umer Farooq'''
snake_case   					=				'''contact@muhammadumerfarooq.me'''
snake_case   					=				'''Alpha'''

import re
from html.parser import HTMLParser
from urllib import parse

import requests



class     UpperCAmelCase    (	__SCREAMING_SNAKE_CASE  ):



   def __init__(       self    :	Optional[Any]							,       __lowerCamelCase    :	str				):



     """simple docstring"""
     super().__init__()
     _snake_case   	=      []
     _snake_case   	=      domain





   def    __UpperCAmelCase    (       self    :	Union[str, Any]							,       __lowerCamelCase    :	str							,       __lowerCamelCase    :	list[tuple[str, str | None]]				):



     """simple docstring"""
     # Only parse the 'anchor' tag.
     if tag == "a":
       # Check the list of defined attributes.
       for name, value in attrs:
         # If href is defined, and not empty nor # print it.
         if name == "href" and value != "#" and value != "":
           # If not already in urls.
           if value not in self.urls:
             _snake_case   	=      parse.urljoin(self.domain							,       __lowerCamelCase				)
             self.urls.append(__lowerCamelCase				)




def 			snake_case		(		lowerCAmelCase_	)						->				str:
  return ".".join(get_sub_domain_name(lowerCAmelCase_	).split('''.'''	)[-2:]	)




def 			snake_case		(		lowerCAmelCase_	)						->				str:
  return parse.urlparse(lowerCAmelCase_	).netloc




def 			snake_case		(		lowerCAmelCase_ = "https://github.com"	)						->				list[str]:
  _snake_case   	=      get_domain_name(lowerCAmelCase_	)

  # Initialize the parser
  _snake_case   	=      Parser(lowerCAmelCase_	)

  try:
    # Open URL
    _snake_case   	=      requests.get(lowerCAmelCase_	)

    # pass the raw HTML to the parser to get links
    parser.feed(r.text	)

    # Get links and loop through
    _snake_case   	=      set()
    for link in parser.urls:
      # open URL.
      # read = requests.get(link)
      try:
        _snake_case   	=      requests.get(lowerCAmelCase_	)
        # Get the valid email.
        _snake_case   	=      re.findall('''[a-zA-Z0-9]+@''' + domain  ,						read.text	)
        # If not in list then append it.
        for email in emails:
          valid_emails.add(lowerCAmelCase_	)
      except ValueError:
        pass
  except ValueError:
    raise SystemExit(1	)

  # Finally return a sorted list of email addresses with no duplicates.
  return sorted(lowerCAmelCase_	)


if __name__ == "__main__":
     snake_case   					=				emails_from_url('''https://github.com''')
     print(F"{len(emails)} emails found:")
     print('''\n'''.join(sorted(emails)))













"""simple docstring"""





from sympy import diff, lambdify, symbols
from sympy.functions import *  # noqa: F403







def 	lowerCamelCase__			(				_lowerCamelCase			:						str						,							_lowerCamelCase			:						complex						,							_lowerCamelCase			:						str = "x"						,							_lowerCamelCase			:						float = 10**-10						,							_lowerCamelCase			:						int = 1						,							) ->							complex:
  lowerCamelCase_       	=		symbols(_lowerCamelCase					)
  lowerCamelCase_       	=		lambdify(_lowerCamelCase						,							_lowerCamelCase					)
  lowerCamelCase_       	=		lambdify(_lowerCamelCase						,							diff(_lowerCamelCase						,							_lowerCamelCase					)					)

  lowerCamelCase_       	=		starting_point

  while True:
    if diff_function(_lowerCamelCase					) != 0:
      lowerCamelCase_       	=		prev_guess - multiplicity * func(_lowerCamelCase					) / diff_function(
          _lowerCamelCase					)
    else:
      raise ZeroDivisionError('Could not find root'					) from None

    # Precision is checked by comparing the difference of consecutive guesses
    if abs(next_guess - prev_guess					) < precision:
      return next_guess

    lowerCamelCase_       	=		next_guess


# Let's Execute
if __name__ == "__main__":
  # Find root of trigonometric function
  # Find value of pi
  print(F'''The root of sin(x) = 0 is {newton_raphson('sin(x)', 2)}''')

  # Find root of polynomial
  # Find fourth Root of 5
  print(F'''The root of x**4 - 5 = 0 is {newton_raphson('x**4 -5', 0.4 +5j)}''')

  # Find value of e
  print(
      '''The root of log(y) - 1 = 0 is ''',
      F'''{newton_raphson('log(y) - 1', 2, variable='y')}''',
  )

  # Exponential Roots
  print(
      '''The root of exp(x) - 1 = 0 is''',
      F'''{newton_raphson('exp(x) - 1', 10, precision=0.005)}''',
  )

  # Find root of cos(x)
  print(F'''The root of cos(x) = 0 is {newton_raphson('cos(x)', 0)}''')




